User Guide
Solution:Apower-onpasswordorasupervisorpasswordisset.TypethepasswordandpressEnterto
usethecomputer(referto“Usingpasswords”onpage89).Ifthepower-onpasswordisnotaccepted,a
supervisorpasswordmighthavebeenset.TypethesupervisorpasswordandpressEnter.Ifyoustillsee
thesameerrormessage,havethecomputerserviced.
•Message:Theharddiskpasswordprompt
Solution:Aharddiskpasswordisset.TypethepasswordandpressEntertousethecomputer(referto
“Harddiskpasswords”onpage91).
•Message:Hibernationerror
Solution:Thesystemcongurationchangedbetweenthetimeyourcomputerenteredhibernationmode
andthetimeitleftthismode,andyourcomputercannotresumenormaloperation.
–Restorethesystemcongurationtowhatitwasbeforeyourcomputerenteredhibernationmode.
–Ifthememorysizehasbeenchanged,re-createthehibernationle.
•Message:Fanerror
Solution:Coolingfanhasfailed.Havethecomputerserviced.
Errorswithoutmessages
•Problem:MyscreenkeepsblankingwhenIdonotwantitto.
Solution:Youcandisableanysystemtimers,suchastheLCDturn-offtimerortheblanktimer
1.StartPowerManager.
2.ClickthePowerplantab(inWindowsXP ,Powerscheme),andthenselectMaximumPerformance
fromthepredenedpowerplans(inWindowsXP,Powerscheme).
•Problem:WhenIturnonthemachine,nothingappearsonthescreenandthemachinedoesnotbeep
whilestartingup.
Note:Ifyouarenotsurewhetheryouheardanybeeps,turnoffthecomputerbypressingandholding
thepowerswitchfor4secondsormore.Turnitonandlistenagain.
Solution:Makesurethat:
–Thebatteryisinstalledcorrectly.
–Theacpoweradapterisconnectedtothecomputerandthepowercordispluggedintoaworking
electricaloutlet.
–Thecomputeristurnedon.(Turnthepowerswitchonagainforconrmation.)
Ifapower-onpasswordisset:
–Pressanykeytodisplaythepromptforthepower-onpassword.Ifthebrightnesslevelofthescreenis
low,increaseitbypressingtheFn+Home.
–TypethecorrectpasswordandpressEnter(refertoPower-onpassword).
Iftheseitemsareproperlyset,andthescreenremainsblank,havethecomputerserviced.
•Problem:WhenIturnonthemachine,onlyawhitecursorappearsonablankscreen.
Solution:Ifyouhavemodiedapartitiononyourharddiskdriveorsolidstatedrivebyusingapartition
software,informationaboutthatpartition,orthemasterbootrecordmayhavebeendestroyed.
1.Turnoffthecomputer,andthenturnitonagain.
2.Ifyoustillseeonlythecursoronthescreen,dothefollowing:
Chapter10.Troubleshootingcomputerproblems211